'Ghostbusters' Director Ivan Reitman Tells The Story Behind The Classic In-Movie Commercial

Anyone who calls themselves a fan of the seminal 1984 supernatural comedy should immediately know what I'm talking about. After getting their first big break, the ghost-busting trio appear on television to advertise their wares in what's become one of the most classic parts of the iconic film.

Now fans can hear the commercial's backstory with a brand new extra on the Blu-ray edition of "Ghostbusters," which hit store this week. Check it out below as director Ivan Reitman and his colleagues take you inside the scene.